Robert Stephens
May 8, 2026 - 31:24
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Luis is an inventor and computer science professor at Carnegie Mellon. He is one of the creators of CAPTCHA, a system that allows websites to determine whether you’re a human or a computer. CAPTCHAs are wavy, distorted w...
Luis von Ahn is an episode from From Scratch by Jessica Harris. Luis is an inventor and computer science professor at Carnegie Mellon. He is one of the creators of CAPTCHA, a system that allows websites to determine whether you’re a human o...
This episode belongs to From Scratch.
Use the player on this page to stream the episode online.
Published Jan 2, 2026, 30:43 long, audio available.
May 8, 2026 - 31:24
May 1, 2026 - 31:15
Apr 24, 2026 - 31:09
Apr 17, 2026 - 19:00
You can listen to Luis von Ahn online on Radio and Podcast. Open the player on this page to stream the available audio.
Luis von Ahn is an episode from From Scratch by Jessica Harris.
This episode is 30:43 long.
This episode was published on Jan 2, 2026.
Apr 10, 2026 - 30:58
Apr 3, 2026 - 19:00
Apr 3, 2026 - 19:00
Mar 27, 2026 - 31:26